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  1. 1
    Journal
  2. 2
    Published 1983
    Journal
  3. 3
    Published 1981
    Journal
  4. 4
    Published 1982
    Journal
  5. 5
    Published 1981
    Journal
  6. 6
    Published 1994
    Journal
  7. 7
    Published 1969
    Journal
  8. 8
    Journal
  9. 9
    Published 1975
    Journal
  10. 10
    Published 1992
    Journal
  11. 11
    Published 1995
    Journal
  12. 12
    Published 1998
    Journal
  13. 13
    Government Document Journal
  14. 14
    Published 1994
    Journal
  15. 15
    Journal
  16. 16
    Journal
  17. 17
    Journal
  18. 18
    Published 2000
    Journal
  19. 19
    Published 1988
    Journal
  20. 20
    Published 1988
    Government Document Journal
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